/*
 * Licensed under the MIT license:
 * http://www.opensource.org/licenses/mit-license.php
 */

package ru.ssau.berlin.entity;

import java.io.Serializable;
import java.util.List;
import javax.persistence.*;

/**
 *
 * @author Caesar
 */
@Entity
@NamedQueries(
    {@NamedQuery(
        name = "findEventTypes",
        query = "SELECT object(et) FROM EventType et"
    ),
    @NamedQuery(
       name = "findEventTypeByName",
       query = "SELECT object(et) FROM EventType et WHERE et.name LIKE :typeName"
    ),
    @NamedQuery(
        name = "findEventTypeByParent",
        query = "SELECT object(et) FROM EventType et WHERE et.parent.id LIKE :parentId"
    )}
)
public class EventType implements Serializable {

    private static final long serialVersionUID = 1L;

    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private Long id;

    private String name;

    @ManyToMany
    private List<EventAttribute> attributes;

    @OneToMany(mappedBy = "type")
    private List<Event> events;

    @ManyToOne
    private EventType parent;

    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public List<EventAttribute> getAttributes() {
        return attributes;
    }

    public List<Event> getEvents() {
        return events;
    }

    public EventType getParent() {
        return parent;
    }

    public void setParent(EventType parent) {
        this.parent = parent;
    }

    @PostLoad
    public void postLoad() {
        attributes.size();
    }

    @Override
    public int hashCode() {
        int hash = 0;
        hash += (id != null ? id.hashCode() : 0);
        return hash;
    }

    @Override
    public boolean equals(Object object) {
        // TODO: Warning - this method won't work in the case the id fields are not set
        if (!(object instanceof EventType)) {
            return false;
        }
        EventType other = (EventType) object;
        if ((this.id == null && other.id != null) || (this.id != null && !this.id.equals(other.id))) {
            return false;
        }
        return true;
    }

    @Override
    public String toString() {
        return this.name + "[" + this.id + "]";
    }

}
